National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Mostly Cloudy

83°F

28°C

Humidity 67%
Wind Speed SE 20 G 32 mph
Barometer 29.94 in (1012.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 17 Aug 12:56 pm CDT
Extended Forecast for

Harrisburg SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 70. South southeast wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89. West southwest wind around 5 mph becoming north northwest in the afternoon.

    High: 89 °F

    Slight Chance
    T-storms then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. North northeast wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Northeast wind around 5 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. East northeast wind around 5 mph becoming calm after midnight.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 15 mph, with gusts as high as 20 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 70. South southeast wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Monday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89. West southwest wind around 5 mph becoming north northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 65. North northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 84. Northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 62. East northeast wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg SD
 43.43°N 96.7°W (Elev. 1421 ft)
Last Update:
11:41 am CDT Aug 17, 2025
Forecast Valid:
1pm CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation